<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
    <title>pc 网页</title>
</head>
<body>
    <div class="main">
       我是pc端的网页
    </div>
    
</body>
<style>
    body{
        margin: 0;
    }
    .main{
       width: 880px;
       height: 300px;
       margin: 0 auto;
       background-color: pink;
    }
</style>
</html>